Intro

• AWS managed Network File System (NFS)
• Can be mounted to multiple EC2 instances across AZs
• Pay per use (no capacity provisioning)
• Auto scaling (up to PBs)
• Compatible with Linux based AMIs (POSIX file system)

Performance Mode

• General Purpose (default)
  • latency-sensitive use cases (web server, CMS, etc.)
• Max I/O
  • higher latency & throughput (big data, media processing)

Throughput Mode

• Bursting (default)
  • Throughput: 50MB/s per TB
  • Burst of up to 100MB/s.
• Provisioned
  • Fixed throughput (provisioned)

Storage Tiers

• Standard - for frequently accessed files
• Infrequent access (EFS-IA) - cost to retrieve files, lower price to store
• Lifecycle management feature to move files to EFS-IA after N days

Security

• Security Groups to control network traffic